Adaptive IPv4 Address Space
2018
This document describes a solution to the Internet address depletion
issue through the use of an existing Option mechanism that is part of
the original IPv4 protocol. This proposal, named EzIP (phonetic for
Easy IPv4), outlines the IPv4 public address pool expansion and the
Internet system architecture enhancement considerations. EzIP may
expand an IPv4 address by a factor of 256M without affecting the
existing IPv4 based Internet, or the current private networks. It is
in full conformance with the IPv4 protocol, and supports not only both
direct and private network connectivity, but also their
interoperability. EzIP deployments may coexist with existing Internet
traffic and the IoT (Internet of Things) operations without perturbing
their setups, while offering end-users the freedom to indepdently
choose this system. EzIP may be implemented as a software or firmware
enhancement to Internet edge routers or private network routing
gateways, wherever needed, or simply installed as an inline adjunct
hardware module between the two, enabling a seamless introduction.
The 256M case detailed here establishes a complete spherical layer of
routers for interfacing between the Internet fabic (core plus edge
routers) and the end user premises. Incorporating caching proxy
technology in the gateway, a fairly large geographical region may
enjoy EzIP as address expansion using as little as one ordinary IPv4
public address utilizing IP packets with degenerated EzIP header. If
IPv4 public pool allocations were reorganized, the assignable pool
could be multiplied by 512M times or even more. EzIP will immediately
resolve local IPv4 address shortages, while being transparent to the
rest of the Internet. Under the Dual-Stack environment, these proposed
interim facilities will relieve the IPv4 address shortage issue, while
affording IPv6 more time to reach maturity and to provide the
availability levels required for delivering a long-term general
service.
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